Unicons - Opensource vector icons and icon-font library
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Animated Icons from Icons8 - Massive collection of full-motion animated icons to make your project shine
Ransom - Ransom lets creators make extra money by crowdfunding the release of their work.
silhoutteAC - More than 47,000 vector silhouettes for free
Animated Education Icons - A pack of 12 unique animated vector icons.